Stacy Lewis overhauls Yani Tseng to land her first major

The 26-year-old had shared the first-round lead and led outright through 36 holes, but when defending champion Tseng shot 66 to head into the third round with a two-stroke lead, it seemed Taiwan's world No 1 would be tough to catch.

However world No 28 Lewis was not finished, and a closing round of 69, which nobody bettered on a windy final day, saw her jump ahead of Tseng, who signed for a disappointing 74. Lewis finished on 13-under 275 for the week, three clear of Tseng.

Lewis, who needed spinal surgery as a teenager to correct a serious curvature caused by Scoliosis, said: "It's unbelievable. I thought I was going to throw up all day. I played great today. I hit the ball probably the best I've played all week"

Lewis threatened to win the US Open in 2008 when she led her debut major heading into the final round, but on that occasion she finished with a 78 and dropped to third place.

This time she handled a similar situation with greater serenity, proving to herself, as she put it: "That I can play with the best in the world."